Dev Petty's (devpetty.com) picture books include The Bear Must Go On, I Don't Want to Be a Frog, Claymates, I Don't Want to Go to Sleep, There's Nothing to Do, and I Don't Want to Be Big. Prior to becoming an author, she worked as a texture painter for visual effects in film, contributing to such movies as the Matrix Trilogy. She lives in Albany, California, with her husband, two daughters, some dogs, and other critters.

Ana Aranda (anaranda.com) also illustrated The Chupacabra Ate the Candelabra (by Marc Tyler Nobleman). She was born and raised in Mexico City, and completed her undergraduate studies in illustration in France. She now lives in San Francisco, where she has painted murals in the Mission District, for the Consulate General of Mexico, and for the prestigious de Young Museum. Her biggest inspirations are her childhood memories, the vibrant colors of Mexico, and music.